Do you know the boyis sitting next tu Peter?–Yes, he is Peter’s friend.They are celebrating hisbirthday.

What was the party like? —– Wonderful . It is years ______I enjoyed myself so much.

Look, the set of keys _ _ on the teacher’s desk.

Why not consider _______ to Hainan for the Spring Festival?—That’s a good idea!

The teacher can _________believe that Tom studies so ________.